Printable version of abstracts and program

## Quantum and Alternative Approaches to Gravity | ||

## Monday (26th September) | ||

8:30 - 9:15 | Registration | |

9:15 - 9:30 | Opening | |

9:30 - 10:30 | Jan Ambjørn | CDT and Minisuperspace |

10:35 - 11:00 | Coffee break | |

11:00 - 11:20 | Jakub Gizbert-Studnicki | Phase Structure of Causal Dynamical Triangulations Model in 4D |

11:25 - 11:45 | Andrzej Görlich | Causal Dynamical Triangulations with Toroidal Topology |

11:50 - 12:10 | Daniel Nathan Coumbe | Some Recent Results in Euclidean Dynamical Triangulations |

12:15 - 12:35 | Włodzimierz Piechocki | Addressing the Issue of Quantum Spikes |

12:40 - 13:40 | Lunch break | |

13:40 - 14:10 | Jerzy Lukierski | Kappa-Deformations - Historical Remarks and Recent Developments |

14:15 - 14:35 | Jerzy Kowalski-Glikman | Symmetries of Flat Quantum Spacetime |

14:40 - 15:00 | Giacomo Rosati | Planck-Scale Modified Spacetime Symmetries and Propagation of IceCube GRB-Neutrinos |

15:05 - 15:30 | Coffee break | |

15:30 - 15:50 | Maciej Dunajski | Projective Surfaces and Einstein Metrics |

15:55 - 16:15 | Piotr Chruściel | The Past Limit of Trautman-Bondi Mass |

## Tuesday (27th September) | ||

9:15 - 10:15 | Kristina Giesel | Reduced Loop Quantization with 4 Klein-Gordon Scalar Fields |

10:20 - 10:45 | Coffee break | |

10:45 - 11:05 | Ilkka Mäkinen | Time Evolution in Deparametrized Models of Loop Quantum Gravity |

11:10 - 11:30 | Michał Artymowski | Inflation, Scalar-Tensor Theories and LQC |

11:35 - 11:55 | Łukasz Nakonieczny | Classical Gravity and the Quantum One-Loop Effective Action - the Higgs Case |

12:00 - 12:20 | Tomasz Trześniewski | Nonlinear Field Space Theory and Quantum Gravity |

12:25 - 12:45 | Iwo Białynicki-Birula | From Uncertainty Relations to Fluctuations of Geometry in a Hot Universe |

12:50 - 13:40 | Lunch break | |

13:40 - 14:00 | Katarzyna Senger | Gravity with Higher Order Lagrangians |

14:05 - 14:25 | Pradyumn Kumar Sahoo | Kaluza-Klein Dark Energy Model in the Form of Wet Dark Fluid in f(R,T) Gravity |

14:30 - 14:50 | Leszek Sokołowski | Degrees of Freedom and Lagrangians Explicitly Depending on the Weyl Tensor |

14:55 - 16:00 | Coffee break + Poster session | |

16:00 - 17:00 | POTOR general assembly | |

19:00 - 22:00 | Conference dinner | Biała Róża Restaurant |

## Classical Session | ||

## Wednesday (28th September) | ||

9:15 - 9:35 | Janusz Garecki | Canonical Superenergy and Angular Supermomentum Complexes in General Relativity and Some of Their Applications |

9:40 - 10:00 | Adam Chudecki | Congruences of Null Strings and Their Relation with Weyl Tensor and Traceless Ricci Tensor |

10:05 - 10:25 | Adam Szereszewski | Kundt’s Metrics with Special Properties |

10:30 - 10:50 | Istvan Racz | The Many Faces of the Constraints in General Relativity |

10:55 - 11:25 | Coffee break | |

11:25 - 11:45 | Olga Sergijenko | Observational Constraints on Tensor Perturbations in Cosmological Models with Dynamical Dark Energy |

11:50 - 12:10 | Mariusz Dąbrowski | Singularities and Cyclic Universes |

12:15 - 12:35 | Andrzej Borowiec | Palatini Cosmological Models à la Starobinsky |

12:40 - 13:00 | Tomasz Miller | Causality for Probability Measures |

13:05 - 13:25 | Michał Eckstein | Causality in Almost Commutative Space-Times |

13:30 - 15:20 | Lunch break | |

15:20 - 15:40 | Tomasz Rembiasz | Magnetorotational Instability in Core-Collapse Supernovae |

15:45 - 16:05 | Orest Hrycyna | A New Generic Cosmological Scenario without Singularity |

16:10 - 16:30 | Zbigniew Haba | Diffusive DM/DE Interaction |

16:35 - 16:55 | Roman Plyatsko | Antigravity Effects in General Relativity |

17:00 - 17:20 | Coffee break | |

17:20 - 18:20 | Zofia Szczęsna | Art exhibition |

## Thursday (29th September) | ||

9:15 - 9:35 | Yuri Taistra | One-way Solutions of Maxwell Equation in Kerr Metric |

9:40 - 10:00 | Piotr Waluk | Degrees of Freedom of Weak Gravitational Field on a Spherically Symmetric Background |

10:05 - 10:25 | Tomasz Smołka | Hamiltonian Dynamics in Asymptotically Kerr Spacetimes. Examination of Quasilocal Mass in Kerr Spacetime |

10:30 - 11:00 | Coffee break | |

11:00 - 11:20 | David Hilditch | Dual Foliation Formulations of General Relativity |

11:25 - 11:45 | Naqing Xie | Quasi-Local Mass Integrals and the Total Mass |

11:50 - 12:10 | Mikołaj Korzyński | Optical Properties of the Black Hole Lattices |

12:15 - 12:35 | Jan Ostrowski | Mass Function of Galaxy Clusters in Relativistic Inhomogeneous Cosmology |

12:40 - 13:55 | Lunch break | |

13:55 - 14:15 | Boudewijn Roukema | First Steps Towards Scalar-Averaged Cosmological N-Body Simulations |

14:20 - 14:40 | Mandar Patil | Can We Use Gravity to Produce Ultra-High Energy Cosmic Rays and Neutrinos? |

14:45 - 15:05 | Andrzej Królak | First Observations of Gravitational Waves |

15:10 - 16:00 | Coffee break | |

16:15 - 17:15 | Luciano Rezzolla | The Physics and Astrophysics of Merging Neutron-Star Binaries |

Victor E. Ambrus | Non-Equilibrium Effects Induced by Quantum Corrections in Rigidly-Rotating Thermal States | |

Victor E. Ambrus | Rigidly Rotating Maxwell-Juttner States on Spherically Symmetric Space-Times Using the Tetrad Formalism | |

Alek Bedroya | QFT Corrections to Black Holes | |

Hristu Culetu | Semiclassical Corrections to a Regularized Schwarzschild Metric | |

Wojciech Kulczycki | The Gravitational Waves in Cosmology and the Huygens Principle | |

Daniel Nemeth | Minimal Configuration in CDT Quantum Gravity |